Merge pull request phaserjs#1012 from Dumtard/dev

docs typo

src/gameobjects/GameObjectFactory.js

@@ -113,7 +113,7 @@ Phaser.GameObjectFactory.prototype = {
     * A Physics Group is the same as an ordinary Group except that is has enableBody turned on by default, so any Sprites it creates
     * are automatically given a physics body.
     *
-    * @method Phaser.GameObjectFactory#group
+    * @method Phaser.GameObjectFactory#physicsGroup
     * @param {number} [physicsBodyType=Phaser.Physics.ARCADE] - If enableBody is true this is the type of physics body that is created on new Sprites. Phaser.Physics.ARCADE, Phaser.Physics.P2, Phaser.Physics.NINJA, etc.
     * @param {any} [parent] - The parent Group or DisplayObjectContainer that will hold this group, if any. If set to null the Group won't be added to the display list. If undefined it will be added to World by default.
     * @param {string} [name='group'] - A name for this Group. Not used internally but useful for debugging.